Somewhat related but I find many nonfiction books could easily be condensed down an immense amount (talking 20 to 50% here). I don't know if it's me getting older or simply not wanting to put up with filler content anymore. A book that does this terribly is the "The Checklist Manifesto." ~250 pages of filler when the original article was 20 pages, the exact same information but distilled down to its essence: https://…
It highly depends on the book! A lot of these types of books are simple lessons with a LOT of fillers. IMO they are bad books. Most often, an author has a lot of things to say in their first book, but much fewer things to say in subsequent books, so first books are always a good bet. For example, “the subtle art of not giving a fuck” is mostly fillers, but books from robert greene or malcolm gladwell are always fille…
In a way it's equivalent to packaging a small item in a larger box to make it easier to keep track of. Wasteful on the surface, but there's an undeniable value to it that would be hard to achieve more efficiently.